Question

Pherris is graphing the function f(x) = 2(3)x. He begins with the point (1, 6). Which could be the next point on his graph?

(2, 12)
(2, 18)
(2, 7)
(3, 7)

Answer 1

Answer: (2, 18)

Explanation:

When x=2,
`f(2)=2(3)^(2)=18`.

So, it should pass through (2, 18).